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*       DELETE
*       Deletes String in Text
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# MIT License -  Copyright (c) 2009 Guido Milanese
# See file LICENSE in this package
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* Guido Milanese 2004
* removed error message, 2009
* <[email protected]>
* Example:
* String = delete(String,";,:.") ;* deletes any char listed in "..."
       define('delete(String,Txt)')            :(delete_end)
delete
       ~(String ? any(Txt))  :s(freturn)
delete_loop
       String ? any(Txt) = ''                  :s(delete_loop)f(delete_return)
delete_return   delete = String                 :(return)
delete_end